#ifndef CONCRETEOBSERVER2_H
#define CONCRETEOBSERVER2_H

#include "Observer/observer.h"
#include <iostream>
using namespace std;

class ConcreteObserver2 : public Observer
{
public:
    ConcreteObserver2();
    ~ConcreteObserver2();

public:
    void update(int val);
};

#endif // CONCRETEOBSERVER2_H
